<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>session1</title>
</head>
<body>
你好:{{ uname }}
<br>
<a href="/booktest/session2/">登录</a>
<br>
<a href="/booktest/session3/">退出</a>
</body>
</html>